# HG changeset patch
# User Matthew Wild <mwild1@gmail.com>
# Date 1620824389 -3600
# Node ID 65dcc175ef5b2473c0b4049957e3842248a8cea1
# Parent  db8e41eb6effe209e238042d72d891a2dedb4f25
mod_proxy65: Restrict access to local c2s connections by default

Previously no 'proxy65_acl' option would allow unrestricted access by local or
remote JIDs.

diff -r db8e41eb6eff -r 65dcc175ef5b plugins/mod_proxy65.lua
--- a/plugins/mod_proxy65.lua	Tue May 11 14:22:59 2021 +0100
+++ b/plugins/mod_proxy65.lua	Wed May 12 13:59:49 2021 +0100
@@ -94,6 +94,7 @@
 
 	local proxy_address = module:get_option_string("proxy65_address", host);
 	local proxy_acl = module:get_option_array("proxy65_acl");
+	local proxy_open_access = module:get_option_boolean("proxy65_open_access", false);
 
 	-- COMPAT w/pre-0.9 where proxy65_port was specified in the components section of the config
 	local legacy_config = module:get_option_number("proxy65_port");
@@ -110,13 +111,20 @@
 
 		-- check ACL
 		-- using 'while' instead of 'if' so we can break out of it
-		while proxy_acl and #proxy_acl > 0 do --luacheck: ignore 512
+		local allow;
+		if proxy_acl and #proxy_acl > 0 then
 			local jid = stanza.attr.from;
-			local allow;
 			for _, acl in ipairs(proxy_acl) do
-				if jid_compare(jid, acl) then allow = true; break; end
+				if jid_compare(jid, acl) then
+					allow = true;
+					break;
+				end
 			end
-			if allow then break; end
+		elseif proxy_open_access or origin.type == "c2s" then
+			allow = true;
+		end
+
+		if not allow then
 			module:log("warn", "Denying use of proxy for %s", tostring(stanza.attr.from));
 			origin.send(st.error_reply(stanza, "auth", "forbidden"));
 			return true;